Z53C80 Ver la hoja de datos (PDF) - Zilog

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componentes Descripción

Fabricante

Z53C80

SMALL COMPUTER SYSTEM INTERFACE (SCSI)

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ZILOG

READ REGISTERS (Continued)

Address: 6

(Read Only)

D7 D6 D5 D4 D3 D2 D1 D0

/DB0

/DB1

/DB2

/DB3

/DB4

/DB5

/DB6

/DB7

Figure 33. Input Data Register

WRITE REGISTERS

Address: 0

Write Only)

D7 D6 D5 D4 D3 D2 D1 D0

/DB0

/DB1

/DB2

/DB3

/DB4

/DB5

/DB6

/DB7

Figure 35. Output Data Register

Z53C80 SCSI

Address: 7

(Read Only)

D7 D6 D5 D4 D3 D2 D1 D0

"X"

X = Don't Care

Figure 34. Reset Parity/Interrupt

Address: 1

(Write Only)

D7 D6 D5 D4 D3 D2 D1 D0

Assert Data Bus

Assert /ATN

Assert /SEL

Assert /BSY

Assert /ACK

"0"

Test Mode

Assert /RST

Figure 36. Initiator Command Register

20

PS97SCC0200

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